Robert Lewandowski scored his 13th Bundesliga goal this season for Bayern Munich on Saturday . AFP
Leon Goretzka put Bayern ahead with half an hour gone at Munich's Allianz Arena before Robert Lewandowski bagged his 13th Bundesliga goal this season to make it 2-0 with 15 minutes left
Freiburg substitute Janik Haberer caused a few nervous looks in the Bayern ranks when he fired past Manuel Neuer in stoppage time.
Second-placed Borussia Dortmund play RB Leipzig away on Saturday evening.
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